PINUS 



PINUS 



1353 



every part: usually to 75 ft. high: Ivs. 5-7 in. long, 

 sometimes in 2's: cones smaller, ovate. S. Dakota to N. 

 Mex. and Tex. S.S. 11:564. G.C. 11. 9: 797. -Somewhat 

 hardier than the type. 



1824. Pinus rigida (X%). 



21. TSeda, Linn. Loblolly Pine. Old Field Pine. 

 Frankincense Pine. Tree, to 100, occasionally to 170 

 ft., with spreading l)ranches, the upper ascending, form- 

 ing a compact, round-topped head: branchlets yellowish 

 brown, sometimes slightly bloomy: winter-buds oblong, 

 resinous: Ivs. slender but stiif, acute, bright green, 6-9 

 in. long: cones sessile, spreading, conic-oblong, light 

 reddish brown, 3-5 in. long; apophysis flattened or de- 

 pressed-pyramidal; umbo small, with short, triangular, 

 recurved spine, lower scales not elongated: seed /i in. 

 long. Del. to Fla. and Tex. S.S. 11 :577, 578. -Not hardy 

 north and rarely cult, for ornament. 



22. Cub^nsis, Griseb. {P. lieferoplnjUa, Sudw. P. 

 Ulliditii, Engelm.). Slash Pine. Swamp Pine. 

 Tree, to 100 or 120 ft., with horizontally spreading 

 branches forming a round-topped broad and compact 

 head: branchlets orange-brown: winter-buds cylindric, 

 light brown: Ivs. dark green and lustrous, acute, in 3's 

 and 2's, 8-12 in. long, with internal resin-ducts: cones 

 short-peduncled, conic-oblong, dark brown and glossy, 

 3-6/^ in. long; apophysis flattened, keeled; umbo small, 

 with minute recurved prickles : seed %-% in. long. Ga. 

 to Fla., near the coast. S.S. 11:591, 592. — Handsome 

 Pine, with compact broad head, hardy only south. 



23. paliistris, Mill. {P. ausfrdlis, Michx.). Long- 

 leafed Pine. Southern Pine. Fig. 1823. Tree, to 100 

 or 120 ft. with ascending branches forming an ob- 

 long open head : branchlets orange-brown ; winter-buds 

 whitish, oblong: Ivs. crowded, forming tufts at the end 

 of branchlets, dark green, 8-18 in. long, with internal 

 resin-ducts: cones almost sessile, cylindric, dull brown, 

 G-10 in. long; apophysis flattened; umbo dark browm, 

 with triangular, reflexed short spines: seed almost 3^ in. 

 long. Va. and Fla., to Miss, along the coast. S.S. 11:589, 

 590. G.F. 10:115. — Very importanttimbertree, butrarely 

 planted for ornament; hardy only south Branches are 

 imported in great quantities into the northern cities in 

 midwinter and used for decorations on account of their 

 large, handsome foliage. 



24. Canari^nsis, C. Sm. Tree, to 80 ft., with slendei 

 branches forming abroad, round-topped head: branch- 

 lets yellowish: Ivs. slender, spreading and pendulous, 

 light green and lustrous, 9-12 in. long, with parenchy- 

 matous resin-ducts: cones cylindric-ovate, 4—8 in. long; 

 apophysis low -pyramidal, irregularly 4 -sided, light 

 brown and glossy, with obtuse umbo: seed }/i in. long. 

 Canary Isl. G.C. 111. 3:721. — Handsome Pine, cult, in 

 Calif, and in colder regions, sometimes in the green- 

 house. 



25. longifdlia, Lamb. {P. Rdxhnrghi, Sarg. ). Tree, 

 to 100 ft. or more, with round-topped symmetrical head: 

 branchlets light yellow brown: winter-buds oblong, light 



chestnut-brown, not resinous: Ivs. slender, pendulous, 

 light green, 8-12 in. long, with peripheral resin-ducts: 

 cones short-stalked, conic-ovate, 4-7 in. long; apophysis 

 elongated -pyramidal, compressed, more or less re- 

 curved; umbo obtuse: seed %-l in. long. Himal. — Im- 

 portant forest tree in its native country. Not hardy 

 north, but cult, in Calif. Very decorative as a young 

 plant, with its long drooping light green foliage. 



2G. tubercull,ta, Gord. (P. attenudfa, Lemm.). Knob- 

 cone Pine. Tree, usually 20, occasionally to 100 ft., 

 with slender horizontal branches ascending at the ends, 

 forming a broad pyramid, with open, round-topped 

 head in old age: bark thin, scaly: young branches 

 slender, dark orange-brown: winter-buds oblong-ovate, 

 dark brown: Ivs. slender, acuminate, pale yellowish or 

 bluish green, 3-7, usually 4-5 in. long: cones .short- 

 stalked, usually in clusters, elongated-conical, 3^-6 in. 

 long, upper scales with pyramidal apex; umbo promi- 

 nent, sharply pointed and recurved, lower scales with 

 depressed apex and small prickly umbo: seed 34 in. 

 long. Ore. to Calif. S.S. 11:575, 576. G.C. II. 24:784, 

 785. F.S. 5, p, 517c. — Of little ornamental value and not 

 hardy north. Usually a bushy tree with sparse dull 

 foliage. 



27. radid,ta, Gord. (P. insignis, Dougl. P. Monterey- 

 ^ns *s, Hort.). Monterey Pine. Fig. 1823. Tree, to 80 

 or 100 ft., with stout, spreading branches forming an 

 irregular open, round-topped head: bark thick, fur- 

 rowed: branchlets brown: buds ovate, bright chestnut- 

 brown: Ivs. acute, bright green, 4-6 in. long: cones 

 short-stalked, conic-ovate, upper scales with elevated, 

 rounded, almost hemispherical and obscurely keeled 

 apex; umbo small, with minute straight or recurved 

 prickle, lower scales with almost flattened apex: seed 

 black, 34 in. long. S.Calif. S.S. 11:573, 574. F.S. 6, 

 p. 44. G.C. III. 9:336, 341. Gn. 36, p. 47; 49, p. 312.- 

 Handsome species with bright green foliage and of rapid 

 growth and bushy habit when young; valuable for sea- 

 side planting. Not hardy north. 



28. rfgida, Mill. Pitch Pine. Figs. 1813, 1824-1827. 

 Tree, to 80 ft., with horizontally spreading branches 

 forming an open, irregular pyramid : branchlets light 

 brown: winter-buds ovate or ovate-oblong, chestnut- 

 brown: Ivs. stiff and spreading, acuminate, dark green, 



1825. Pinus rigida, with young cones (X 3^). 



2-5 in. long: cones almost sessile, often in clusters, 

 ovate, light brown, 2-4 in. long; apophysis little ele- 

 vated; umbo triangular, ending in a slender, recurved 

 prickle: seed dark brown, 34 in. long. New Brunswick 

 to Ga., west to Ontario and Ky. S.S. 11:579. G.F. 

 4:402; 10:195. Gn. 31, p. 128, 132. M.D.G. 1896:301.- 



